Xenia sp. – ORA Pom Pom Xenia – A very popular coral that will sometimes display a unique pulsing motion, Although it is not completely understood what causes this behavior, it is fascinating to watch! Among the easiest corals to keep in the aquarium, Xenia needs gentle water current and modest lighting. If conditions are satisfactory, it will spread very quickly, so take this into consideration when placing it in your reef aquarium.SIZE: Approx. 2″NOTE: You will be purchasing a coral similar to the one in the photo. Because we spend less time photographing and uploading “stock” items, we pass the savings on to you! If they are on the site, they’re always ready to ship!